Van Duzen - At Bridgeville

This rating table shows the relationship between gauge height and river flow for the USGS gauge on the Van Duzen River, at Grizzly Creek Redwoods State Park. Dreamflows generated the graph and table using USGS supplied rating table data. NOTE: The rating table below was published Apr 30, 2007 and was valid only at that time. The relationship between gauge height and river flow may change over time and therefore the older the data, the less reliable it is likely to be. The graph shows the range of data of primary interest to boaters, while the numerical listing gives the full range of available data.

Flow (in cfs) - last revised Apr 30, 2007
Height (feet) .0 .1 .2 .3 .4 .5 .6 .7 .8 .9
0 6 12 20 31 44 60
1 81 106 133 163 196 232 275 325 381 436
2 496 561 631 706 786 871 961 1060 1160 1270
3 1380 1500 1620 1750 1890 2030 2180 2340 2500 2670
4 2850 3030 3190 3330 3460 3600 3740 3880 4030 4180
5 4320 4480 4630 4780 4940 5100 5260 5430 5600 5760
6 5930 6110 6280 6460 6640 6820 7000 7190 7380 7570
7 7760 7950 8150 8340 8540 8740 8950 9150 9360 9570
8 9780 9990 10200 10400 10600 10900 11100 11300 11500 11800
9 12000 12200 12500 12700 12900 13100 13400 13600 13900 14100
10 14300 14600 14800 15100 15300 15600 15800 16100 16300 16600
11 16800 17100 17400 17600 17900 18100 18400 18700 19000 19200
Height (feet) .0 .1 .2 .3 .4 .5 .6 .7 .8 .9
12 19500 19800 20000 20300 20600 20800 21100 21400 21600 21900
13 22200 22500 22700 23000 23300 23600 23900 24100 24400 24700
14 25000 25300 25500 25800 26100 26300 26600 26800 27100 27400
15 27700 27900 28200 28500 28700 29000 29300 29600 29800 30100
16 30400 30700 30900 31200 31500 31800 32100 32300 32600 32900
17 33200 33500 33800 34100 34300 34600 34900 35200 35500 35800
18 36100 36400 36700 37000 37300 37600 37900 38200 38500 38800
19 39100 39400 39700 40000 40300 40600 40900 41200 41500 41800
20 42100

	Flow (in cfs) - last revised Apr 30, 2007
Height (feet)	.0	.1	.2	.3	.4	.5	.6	.7	.8	.9
0					6	12	20	31	44	60
1	81	106	133	163	196	232	275	325	381	436
2	496	561	631	706	786	871	961	1060	1160	1270
3	1380	1500	1620	1750	1890	2030	2180	2340	2500	2670
4	2850	3030	3190	3330	3460	3600	3740	3880	4030	4180
5	4320	4480	4630	4780	4940	5100	5260	5430	5600	5760
6	5930	6110	6280	6460	6640	6820	7000	7190	7380	7570
7	7760	7950	8150	8340	8540	8740	8950	9150	9360	9570
8	9780	9990	10200	10400	10600	10900	11100	11300	11500	11800
9	12000	12200	12500	12700	12900	13100	13400	13600	13900	14100
10	14300	14600	14800	15100	15300	15600	15800	16100	16300	16600
11	16800	17100	17400	17600	17900	18100	18400	18700	19000	19200
Height (feet)	.0	.1	.2	.3	.4	.5	.6	.7	.8	.9
12	19500	19800	20000	20300	20600	20800	21100	21400	21600	21900
13	22200	22500	22700	23000	23300	23600	23900	24100	24400	24700
14	25000	25300	25500	25800	26100	26300	26600	26800	27100	27400
15	27700	27900	28200	28500	28700	29000	29300	29600	29800	30100
16	30400	30700	30900	31200	31500	31800	32100	32300	32600	32900
17	33200	33500	33800	34100	34300	34600	34900	35200	35500	35800
18	36100	36400	36700	37000	37300	37600	37900	38200	38500	38800
19	39100	39400	39700	40000	40300	40600	40900	41200	41500	41800
20	42100

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